Banks with large trading operations in the U.S., such as Barclays Plc (BARC), Credit Suisse Group AG (CSGN) and Deutsche Bank AG (DBK), probably would be subject to the Fed's proposed requirements. Tarullo's plan follows moves by Frankfurt-based Deutsche Bank and London-based Barclays to discard their status as U.S. bank holding companies, thereby evading local capital rules.